/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict'

// Task service
angular.module('flowableApp').service('CaseService', [
  '$http',
  '$q',
  '$rootScope',
  'RelatedContentService',
  function($http, $q, $rootScope, RelatedContentService) {
    var httpAsPromise = function(options) {
      var deferred = $q.defer()
      $http(options)
        .success(function(response, status, headers, config) {
          deferred.resolve(response)
        })
        .error(function(response, status, headers, config) {
          deferred.reject(response)
        })
      return deferred.promise
    }

    this.getCaseDefinitions = function(appDefinitionKey) {
      var url = FLOWABLE.CONFIG.contextRoot + '/app/rest/case-definitions?latest=true'
      if (appDefinitionKey) {
        url += '&appDefinitionKey=' + appDefinitionKey
      }
      return httpAsPromise({
        method: 'GET',
        url: url
      })
    }

    this.getRelatedContent = function(caseId) {
      var deferred = $q.defer()
      $http({
        method: 'GET',
        url: FLOWABLE.CONFIG.contextRoot + '/app/rest/case-instances/' + caseId + '/content'
      })
        .success(function(response, status, headers, config) {
          // Add raw URL property to all content
          if (response && response.data) {
            for (var i = 0; i < response.data.length; i++) {
              RelatedContentService.addUrlToContent(response.data[i])
            }
          }
          deferred.resolve(response)
        })
        .error(function(response, status, headers, config) {
          deferred.reject(response)
        })
      return deferred.promise
    }

    this.createCase = function(caseData) {
      var deferred = $q.defer()
      $http({
        method: 'POST',
        url: FLOWABLE.CONFIG.contextRoot + '/app/rest/case-instances',
        data: caseData
      })
        .success(function(response, status, headers, config) {
          $rootScope.$broadcast('new-case-created', response)
          deferred.resolve(response)
        })
        .error(function(response, status, headers, config) {
          $rootScope.addAlert(response.message, 'error')
          deferred.reject(response)
        })

      var promise = deferred.promise
      return promise
    }

    this.deleteCase = function(caseInstanceId) {
      var deferred = $q.defer()
      $http({
        method: 'DELETE',
        url: FLOWABLE.CONFIG.contextRoot + '/app/rest/case-instances/' + caseInstanceId
      })
        .success(function(response, status, headers, config) {
          $rootScope.$broadcast('caseinstance-deleted', response)
          deferred.resolve(response)
        })
        .error(function(response, status, headers, config) {
          $rootScope.addAlert(response.message, 'error')
          deferred.reject(response)
        })

      var promise = deferred.promise
      return promise
    }
  }
])
